Very few people are going to buy your product or use your service if they don't need them. And despite people of conscience making an intentional effort to support what they considered a free speech issue with Chick-fil-a, most of us do not buy stuff to benefit the businessman. They buy it for their own purposes. Nor does the businessman provide a product or service for the benefit of the customer. He provides it to put money in his own pocket. The fact that he offers a product or service that others need is secondary to his primary motive, but helps him accomplish his primary motive.
Adam Smith, the father of economics, captured the essence of this wonderful human cooperation when he said, "He (the businessman) generally, indeed, neither intends to promote the public interest, nor knows how much he is promoting it. ... He intends only his own security; and by directing that industry in such a manner as its produce may be of the greatest value, he intends only his own gain." Adam Smith continues, "He is in this, as in many other cases, led by an invisible hand to promote an end which was no part of his intention. ... By pursuing his own interest he frequently promotes that of the society more effectually than when he really intends to promote it." And later he adds, "It is not from the benevolence of the butcher, the brewer, or the baker, that we expect our dinner, but from their regard to their own interest."
If you have doubts about Adam Smith's prediction, ask yourself which areas of our lives are we the most satisfied and those with most complaints. Would they be profit motivated arenas such supermarkets, video or clothing stores, or be nonprofit motivated government-operated arenas such as public schools, postal delivery or motor vehicle registration? By the way, how many of you would be in favor of Congress running our supermarkets? Walter Williams
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